/*
 * Copyright 2016 requery.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.requery;

/**
 * Defines the transaction isolation level. See
 * <a href="https://docs.oracle.com/javase/tutorial/jdbc/basics/transactions.html">Transactions</a>
 */
public enum TransactionIsolation {
    /**
     * No transactions are supported.
     */
    NONE,
    /**
     * Dirty reads are prevented.
     */
    READ_UNCOMMITTED,
    /**
     * Dirty reads are permitted.
     */
    READ_COMMITTED,
    /**
     * Dirty reads and non-repeatable reads prevented.
     */
    REPEATABLE_READ,
    /**
     * Dirty reads, non-repeatable and phantom reads prevented.
     */
    SERIALIZABLE
}
